Data Imputation Calculator
Estimate missing data values using mean, median, mode, or linear interpolation imputation methods. Compare imputation accuracy against actual values.
Inputs
Results
Imputed Value
20
How to Use This Calculator
- Enter the dataset size and percentage of missing values per feature.
- Select the imputation strategy: mean, median, mode, KNN, or MICE.
- Review the recommended strategy based on missing data pattern and feature type.
- Apply the imputation and re-check feature distributions for introduced bias.
- Validate imputed data by comparing downstream model performance with vs. without imputation.
How the result changes with Value 5
| Value 5 | Imputed Value |
|---|---|
| -800,000 | -199,987.5 |
| -300,000 | -74,987.5 |
| 300,000 | 75,012.5 |
| 800,000 | 200,012.5 |
What each input means
- Value 1
- First data value in your series.
- Value 2
- Second data value in your series.
- Value 3
- Third data value — this is the default 'missing' position for imputation testing.
- Value 4
- Fourth data value in your series.
- Value 5
- Fifth data value in your series.
- Missing Value Position
- Which position (1-5) to treat as missing for imputation. The actual value is used for error comparison.
- Imputation Method
- Mean: average of known values. Median: middle value. Mode: most frequent value.
How this is calculated
Worked example, using the default values
- Identify Input Parameters4 parametersValue 1 = 10, Value 2 = 15, Value 3 = 20, Value 4 = 25 = 7 input(s) provided
- Calculate Imputed ValueImputed Value20 = 20
- Calculate Method UsedMean = Mean
- Calculate MeanMean = mean20 = 20
Engine last updated . Checked against 2 independently-derived tests — how we verify calculators.
Related Calculators
The questions that sit next to this one — chosen by subject, including calculators filed under a different category.
Feature Scaling Calculator
Scale raw feature values using min-max normalization, z-score standardization, robust scaling, and max-abs normalization for machine learning preprocessing.
Data ScienceOutlier Detection Calculator
Detect outliers using IQR bounds, z-score bounds, and modified z-score methods. Determine whether a data point is an outlier using configurable thresholds.
Math & StatisticsAverage Calculator
Calculate mean, median, mode, range, geometric mean, and harmonic mean of a set of numbers.
Data ScienceA/B Test Calculator
Determine statistical significance of A/B test results. Calculate z-score, p-value, conversion lift, and whether your variant beats the control at your chosen confidence level.
More in Math & Statistics.